A member asked:

How long do i have to wait for hiv 4th generation test. is 3 week sufficient?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Good but not quite: The antigen-antibody HIV blood tests ("4th generation") will detect about 90% of new infections at 3 weeks. They are nearly conclusive (96-99%) at 4 weeks but not 100% until 6 weeks.

Answered 5/21/2021

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